层理论的

Based on the theory of rayleigh wave propagation in layer medium,the variation of wave velocity can reflect the variation of rock and soil mechanical property.

根据瑞雷面波在层状介质中的传播理论，波速的变化可以反映出岩土力学性质的变化。

In order to understand the mechanism of the final stage of spallation deeply, we carried out computer simulations of the damage evolution of two-dimensional microcrack system.

为了深入研究层裂损伤后期的破坏机理，在实验研究和理论分析的基础上，进行了二维微裂纹系统损伤演化的计算机模拟。

Determination of neutral plane position is the key to the analysis of bonded two layered slab on an elastic foundation,however,there are no theoretical formulas and solving methods for it when the Poisson s ratios of two slabs are different.

弹性地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

Determination of neutral plane position is the key to the analysis of bonded two layered slab on an elastic foundation However,there are no theoretical formulas and solving methods for it when the Poisson s ratios of two slabs are different.

圆形均布荷载作用下温克勒地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

Determination of neutral plane position is the key issue in the analysis of bonded two-layered slab on a Winkler foundation, however, there exist no theoretical formulas and solving methods for the problem when the Poisson's ratios of two slabs are different.

温克勒地基上结合式双层板问题分析的关键在于中性面的求解，但目前对于两层板泊松比不同时的情况仍没有理想的理论公式和求解方法。

Further theoretical analysis indicate that, the morphology of twin-crystals show straight parallel stripes, and the morphology of stacking-faults often show parallel stripes with an angle of 60° or 120°.

进一步的理论分析表明，孪晶的形貌表现为平行条纹，而层错则通常为带有60°或120°折角的条纹。

According to the multisensor multiple level parallel detection structure and combining the traditional detection mode of radar fence system, this paper advances a positive groundwork territorial radar fence system which is more close to existing equipment collocation of army. The detection capability and reliability of this system is analyzed too.

摘 要：根据多传感器多层并行检测结构理论，结合传统雷达网系统的检测方式，本文提出一种更加贴近部队现有装备部署的有源地基区域性雷达网系统检测结构，并对该系统结构的检测性能和可靠性进行了分析。

This paper discusses some important concepts, such as exploration depth and resolution of ground penetration radar, and then analyzes in detail the electric property difference and ground penetrating radar image characters of riprap, silt and some other medium as well as the detecting effect of GPR through the comparison between interpretation results and boreholing data, based on a case study of riprap replacing embankment project by blasting-extruding silt on an is-land.

首先讨论了探地雷达理论中的探测深度和分辨率等重要概念，然后以某海岛爆破挤淤抛石置换筑堤工程为例，详细分析了抛石、淤泥等介质层的电性差异及雷达波形特征，并将解释结果与钻探资料对比分析了雷达检测的效果。

Rutherford back scattering has shown that the molybdenum concentration depth profile in Al is wider than that of theory calculation. It is observed by TEM that compound A1 12 Mo can be formed in the implanted layer. The thickness of alloy layer is about 650nm by RBS. A mo...

cm- 2 。透射电镜分析证明在注入层内可形成 Al1 2 Mo晶体；背散射分析证明 Al1 2 Mo的厚度可达 6 0 0至70 0 nm；结合强束流脉冲注入的特点，根据碰撞理论提出了解释钼反常分布的"蜂窝"模型。

In this text, the natural-ecological sensitiveness appraisal system of Forest Parks in mountain region was set up.

依据生态学和景观生态学的相关理论，筛选出对森林公园规划设计具有重要影响的各层评价指标因子，并确定了评价指标因子的分级标准。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。